Well, yes, it's not easy!
I guess it could be interpreted as a sort of superimposition process taking place in the viewer's mind, where the different meanings connected to the images function through addition, summing up toghether and creating the final multilayered "message". I'm not sure if this does help...
It's also difficult for me and I get this explanation by reading a whole article. If I don't find anything suitable, I'll leave it as you suggested cutting the second sentence (-:

Well, yes, it's not easy!
I guess it could be interpreted as a sort of superimposition process taking place in the viewer's mind, where the different meanings connected to the images function through addition, summing up toghether and creating the final multilayered "message". I'm not sure if this does help...
It's also difficult for me and I get this explanation by reading a whole article. If I don't find anything suitable, I'll leave it as you suggested cutting the second sentence (-:

Click to expand...

Perfect, I completely understand now - well done explaining it How about this then?

XY's images are tableaux vivants which, only when visualized in their entirety, as one multilayered whole, make up a coherent conceptual frame.

I used a bit of artistic license, but I don't know how to translate that phrase more accurately - it needs to just be interpreted and paraphrased into something that makes sense for English speakers.